Upper: Injection molded waterproof EVA straps Footbed: Soft and supportive IMEVA footbed with aggressive woven texture for traction in and out of the water Outsole: Non-Marking injection molded EVA Warranty: Reef wants to make sure you’re satisfied with your purchase. All Reef products are covered by a manufacturer defect policy for up to one year from the date of purchase. Reef: Since 1984, Reef has been making high quality, ultra-comfortable footwear. Making sandals and shoes that take you from the beach to the streets and everywhere in-between.